Luis Jerónimo of Uztáriz and Hemiaga (1670–1724), Knight of Santiago, was a Spanish politician and economist who focused on reinventing the economic landscape of the Spanish nation after the extravagance of the Austrian Dynasty had exhausted the wealth of the country and left Spain in penury. He is best known for his book called , which was first published in Spain - 1724, and has been translated into 3 different languages of French, Italian and English.